tara moriarty is live at city hall in oakland. one of the many buildings protestors vandalized last night. >> reporter: yes some of the windows that protestors smashed have been bordered up at this time. but there is still a hole here in the front door of city hall that remains exactly as it was last night. demonstrators threw paint balls and smashed windows at city hall. the national berkeley lab office and three banks. the group of about 200 people gathered at frank ogawa plaza last night. they timed the rally to coincide with the 11th anniversary of the start of the war in afghanistan. around 7:15 the group headed north on west grand avenue. circled back to city hall and that is when the violence broke out. some luxury cars were also vandalized. >> just because we have a nice car, i don't know. we worked hard for our money. >> we live in oakland and to see our hometown come to shambles like this. >> reporter: the march only lasted 40 minutes and that did not give police enough time to call in mutual aid or make enough arrests.